Added animation start and end events to menu sheet extension
Added animation start and end events to menu sheet extension

ChineseDron/jQTouch,illucent/jQTouch,mzw11112008/jQTouch,illucent/jQTouch,ChineseDron/jQTouch,ChineseDron/jQTouch,cybercircuits/jQTouch,cybercircuits/jQTouch,ChineseDron/jQTouch,mzw11112008/jQTouch,cybercircuits/jQTouch,illucent/jQTouch,illucent/jQTouch,senchalabs/jQTouch,mzw11112008/jQTouch,mzw11112008/jQTouch,senchalabs/jQTouch,senchalabs/jQTouch,cybercircuits/jQTouch